Finding the Third Proportional to 143,278,404.19 and 306,990,291.09
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Solution
The third proportional to 143,278,404.19 and 306,990,291.09 is: 657,761,644.96
Step by Step Solution
- Step 1: Write the proportion equation
143,278,404.19 : 306,990,291.09 = 306,990,291.09 : x - Step 2: Convert to fraction form
143,278,404.19/306,990,291.09 = 306,990,291.09/x - Step 3: Cross multiply
143,278,404.19x = 306,990,291.09 × 306,990,291.09 - Step 4: Simplify right side
143,278,404.19x = 94,243,038,825,825,360 - Step 5: Solve for x
x = 94,243,038,825,825,360/143,278,404.19 - Step 6: Final answer
x = 657,761,644.96
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.